Net Commander supercharges Visual Studio Code for Network Engineers, DevOps Engineers and Solution Architects streamlining everyday workflows and accelerating data-driven root-cause analysis.

cidr-tools but up to 20x faster

Fragmented Classless Inter-Domain Routing (FCIDR)

go implementation of ipcalc

This CIDR Calculator script efficiently computes IP address ranges from CIDR notations, featuring a user-friendly interface and multilingual help options for enhanced accessibility.

A modern, object-oriented TypeScript library for representing and performing arithmetic on IP addresses and subnets.

CIDR (Classless Inter-Domain Routing) calculators are simple tools to assist you to calculate a block of IP addresses.

Subnetter provides a basic deconstruction of CIDR Notation for you subnet needs.

Code for CIDR Conflict Calculator for IBM Cloud Classic Infrastructure

Web utility tools privacy focused

An Intuitive and easy to use Subnet Calculator written in C#.

🌐 Fast Go CLI tool for CIDR network calculations and subnet analysis. Parse networks, calculate subnets, generate text/HTML reports.

Subnet/CIDR calculator for your terminal — calculate network addresses, split subnets, check IP containment

System and Developer Utilities

massive ipaddresses‘ geo infomation lookup through geoip within spark

🛠 Offline Azure cloud adoption planning tool: Naming Convention Generator, IP/CIDR Planner, Tagging Strategy, Landing Zone Planner, WAF Checklist, Cost Estimator & Policy Catalog. Single HTML file, zero dependencies, CAF & WAF aligned.

A CIDR calculator web app.